The game is completed when Adam boards the aircraft to leave the prison. Provided that Adam has not killed anyone during this playthrough, the achievement will unlock during the cut scene that follows as shown in the following video:
There are two other achievements that may unlock at the same time. If this is the first completion without using the Fixer Pill and/or the altered Biocell, the following will unlock:
If this is the first completion, the following will unlock:
The above video is part of a video walkthrough. The complete
A Criminal Past for Deus Ex: Mankind Divided video walkthrough (non-lethal/no augments or pill) can be seen in this YouTube playlist:
http://tinyurl.com/DE-MD-CrimPast-WT